In article <firstname.lastname@example.org>, WM <email@example.com> wrote:
> On 5 Apr., 21:03, William Hughes <wpihug...@gmail.com> wrote: > > On Apr 5, 6:04 pm, WM <mueck...@rz.fh-augsburg.de> wrote: > > > > > On 5 Apr., 12:08, William Hughes <wpihug...@gmail.com> wrote: > > > > <snip> > > > > > > There is an infinite set of lines D > > > > such that any finite subset of D can be removed. > > > > > What has to remain? > > > > This depends on the finite subset removed. > > If the finite set removed is E then > > D\E has to remain. Note that whatever > > subset E is chosen the number of lines > > in D\E is infinite > > How do you call a set E the number of elements exceeds any given > natural number?
Infinite! > > > (but of course we > > do not know which lines are in D\E). > > How do we call a set when we cannot biject it with a FIS on |N?